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MotoGP God
Bikes: 748S, HM1100S, V4SP, Was: DD-A #111
Posts: 13,088
Join Date: Feb 2002
Location: Back in Essex
Mood: Passion Killer
I, and many others, have successfully transplanted a 620 (FI) engine into a 600 frame. Given that (most of) the 2V engines have the same mounting points, you've got plenty to choose from!
Clicky the linky below for more info on the 600/620 hybrid.